1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.settings.password;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 
22 import com.android.internal.widget.LockscreenCredential;
23 
24 /**
25  * Helper for handling managed passwords in security settings UI.
26  * It provides resources that should be shown in settings UI when lock password quality is set to
27  * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED} and hooks for implementing
28  * an option for setting the password quality to
29  * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED}.
30  */
31 public class ManagedLockPasswordProvider {
32     /** Factory method to make it easier to inject extended ManagedLockPasswordProviders. */
get(Context context, int userId)33     public static ManagedLockPasswordProvider get(Context context, int userId) {
34         return new ManagedLockPasswordProvider();
35     }
36 
ManagedLockPasswordProvider()37     protected ManagedLockPasswordProvider() {}
38 
39     /**
40      * Whether choosing/setting a managed lock password is supported for the user.
41      * Please update {@link #getPickerOptionTitle(boolean)} if overridden to return true.
42      */
isSettingManagedPasswordSupported()43     boolean isSettingManagedPasswordSupported() { return false; }
44 
45     /**
46      * Whether the user should be able to choose managed lock password.
47      */
isManagedPasswordChoosable()48     boolean isManagedPasswordChoosable() { return false; }
49 
50     /**
51      * Returns title for managed password preference in security (lock) setting picker.
52      * Should be overridden if {@link #isManagedPasswordSupported()} returns true.
53      * @param forFingerprint Whether fingerprint unlock is enabled.
54      */
getPickerOptionTitle(boolean forFingerprint)55     CharSequence getPickerOptionTitle(boolean forFingerprint) { return ""; }
56 
57     /**
58      * Creates intent that should be launched when user chooses managed password in the lock
59      * settings picker.
60      * @param requirePasswordToDecrypt Whether a password is needed to decrypt the user.
61      * @param password Current lock password.
62      * @return Intent that should update lock password to a managed password.
63      */
createIntent(boolean requirePasswordToDecrypt, LockscreenCredential password)64     Intent createIntent(boolean requirePasswordToDecrypt, LockscreenCredential password) {
65         return null;
66     }
67 }
68